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1、OpticallyinducedeffectsinthinfilmsofindandionetypeorganicmoleculesIntaMuzikanteInstituteofSolidStatePhysics,UniversityofLatviaValdisKampars,PaulsPastorsDepartmentofChemistry,RigaTechnicalUniversityBurkhardStiller,KnutMoravetz,DieterNeherInstituteofPhysics,P
2、otsdamUniversityCOSTACTIONP8MATERIALSANDSYSTEMSFOROPTICALDATASTORAGEANDPROCESSINGMay26-27,2006,Loutraki.Greece3typesofopticalinducedmotionsPhotoisomerizationofPDR1moleculeonirradiationInstituteofSolidStatePhysics,UniversityofLatviaDR1DisperseredTrans-isomer
3、Cis-isomerTrans-isomerλ1λ2PhotoinducedIntramolecularElectronTransfer-PIETλPIETλPIETM.Rutkis,A.Vembris,V.Zauls,A.Tokmakovs,E.Fonavs,A.Jurgis,V.Kampars,Proc.SPIE,2006,6192,6192Q,TwistingofDMABImoleculeonirradiationinPIETInstituteofSolidStatePhysics,University
4、ofLatviaIndandionetypemoleculesDMABIDD-DMABIInstituteofSolidStatePhysics,UniversityofLatviaSamples–host-guestfilmsThechromophore-syndioatacticpolymethylmethacrylate(sPMMA)(molecularmass260000)host-guestfilmswithintheconcentrationof9wt%hasbeeninvestigated.Fi
5、lmswerepreparedbycastingfromchloroformsolutionsonglassslidesassubstrates.Toevacuatechloroform,sampleswerevacuumdriedatroomconditions(~25ºC)for3days.Filmthicknesswerebetween4and5.5μmInstituteofSolidStatePhysics,UniversityofLatviaAbsorptionspectraofDMABIderiv
6、atives ins-PMMAInstituteofSolidStatePhysics,UniversityofLatviaPhotoinducedreversiblechangesofsurfacepotentialInstituteofSolidStatePhysics,UniversityofLatvia1wt%DMABI/iPMMACoronaorientedsampleModificationofSHGeffectbylight10wt%DMABI/sPMMAWavelength1064nmBeam
7、diameter~0.1mmWriteaveragepower~50W/cm2Readaveragepower~0.5W/cm2InstituteofSolidStatePhysics,UniversityofLatviaM.Rutkis,I.Muzikante,B.Stiller,A.Vembris,V.Zauls,NENAMATMobilizationWorkshopŅanomaterialsandNanotechnologies”Proceedings,Riga,2005.g.March30-31,Pr
8、oceedings,pp.52-60ArlaserPrismbeamsplitterMirrorSampleΛ=488nmΘOpticallyinscriptionofgratingsInstituteofPhysics,PotsdamUniversityScanningNearfieldOpticalMicroscopyInstituteofPhysics,PotsdamUniversitySNO
